This setup is my favorite so far of the four that I have tried. I need to play with air pressures a bit, but this past weekend I ran 38F and 35R and won STS. I don't know if it was the relatively tall sidewall or too low of a pressure, but they made ALOT of noise compared to the other size I have tried. I think from now on I am going to run 40F 37R.

EDIT: The noise went down a god bit since I wasn't over-driving and I bumped the pressures up to 40F 38R. Me likey alot.

Review:General Observations:
They Completely blow the Hankooks (RS2) out of the water!1) The sidewall is noticeably stiffer (even with the larger size).
Turn in response is greatly improved.
2) Treadwear is much better considering I've run several events with them already.
Currently the Azenis have almost 6,000 miles on them and still show 3/16" till they hit the wear bars.
IIRC, they started at 1/4" depth to the wear bars.

On Track Notes:
(again, comparing to the Hankook RS2)1) These tires can be pushed much harder before they reach their limits.
2) Transitions from braking to turning, then heavy accleration are much better.
I'm not seeing nearly as much slip from the tires, just mega grip.
I also noticed I can get on the gas much sooner out of a turn, with little or no tire spin.
3) I'm running 4-6psi less in the front, and still don't have any problems with rolling the sidewall.
Most events have been at 40-42psi,
though a couple times I've ran them up to 44psi on a really tight course with lots of direction changes.

Epilogue:
I'm expecting 10,000+ miles out of these tires for daily driving and AutoCross duties.
(That's about 1 set per season, as I run dedicted winter tires when the snow hits)
I've been rotating them after every event, and treadwear is extremely even between all 4 tires.

And before anyone asks due to the 225/45/17 size...
NO, they don't rub at all. (Stock springs and stock wheels)

I had high expectations of these tires and they did not disapoint. Dry grip is incredible. These will drop many many seconds off your auto-x time (compared to street tires). They were even a second or 2 faster than my old Yoko Advans A032R. The sidewalls are super stiff (i run ~30psi Front 32rear, will little to no roll over). The tires have worn noticibly after every event. I expect to get less than 20 events out of them. however the tire wear is even. The tires are built with rounded shoulders so that a little bit of wear there wont expose a cord. I have noticed that they grip well when not fully warmed up. (although on cold rainy days, it seems impossible to get any heat into them). A must for the serious autoxer.

This is my first year( 4 months so far) on "R" compounds so I'm still adjusting to them, but WOW are these things amazing!!!
turn-in is instant ( almost tele-kenetic) & slaloms are bliss, I can hold the throttle more at higher speeds. times are dropping drasticly now
pressures are still high at 43 front 32 rear! but seem optimal for my set-up.. VERY HAPPY with these monsters!!!A+++

___________________/\_/\_SCCA_/\_/\_SM #74_/\_/\_BRING ON THE CONES!...zetec crew #74
ZX3..underpressuretuning by TOM

Falken Azenis RT-615
well it appears the azenis are dominant here. I completly agree with all the above, must better sidewalls, better grip all around, but also they recquire not heat to still have good grip. They will work great in colder weather compared to other tires in the STS classes. As for the rain, simply drop them 2psi and you wont notice a difference. I have about 7 raincrosses already.
one thing to note, the 195/?/15's for whatever reason is a slightly different compound. I am trying out 205's now and besides the increased width, they handle heat much better. However they do get greasy and a spraying is necessary especially with a co-driver.Bridgestone Potenza RE1-01?
yea not quite sure how to spell that whole thingy, but I will say these tires are a close competitor to falken. They do recquire a little heat before they reach max grip, but you will never need to spray them. I find they handle wet 90% of what falken can do, but still a good tire. As for dry, very little difference in grip. The downside of being to lazy to spray your tires after each run is that these tires dont offer that many sizes.

Hankook Ventus RS2 Z212
Price Paid: 70 per tire
Size: 195 60 14
Simply amazing. First run I had my rear pressures set way to high and did a RWD style donut. After messing with my pressures a bit and when the sun came out they stuck like glue. Very happy.

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